EINPROGRESS treated as a valid error from close ()
EINPROGRESS treated as a valid error from close ()

Signed-off-by: Martin Sustrik <4dd6061be1198639e8b05ce4fd5ead7a0dcaa0f4@250bpm.com>

smithed/nanomsg,wirebirdlabs/featherweight-nanomsg,imp/nanomsg,hyperfact/nanomsg,wirebirdlabs/featherweight-nanomsg,thisco-de/nanomsg,modulexcite/nanomsg,reqshark/nanomsg,yan97ao/nanomsg,yan97ao/nanomsg,thisco-de/nanomsg,gdamore/mamomsg,krafczyk/nanomsg,nirs/nanomsg,ttyangf/nanomsg,ttyangf/nanomsg,ttyangf/nanomsg,tempbottle/nanomsg,cosin2008/nanomsg.NET,pch957/nanomsg,potatogim/nanomsg,imp/nanomsg,featherweight/ftw-kernel-nanomsg,linearregression/nanomsg,pakozm/nanomsg,zerotacg/nanomsg,yan97ao/nanomsg,potatogim/nanomsg,nirs/nanomsg,cosin2008/nanomsg.NET,hyperfact/nanomsg,linearregression/nanomsg,linearregression/nanomsg,zerotacg/nanomsg,smithed/nanomsg,modulexcite/nanomsg,pakozm/nanomsg,tempbottle/nanomsg,smithed/nanomsg,pakozm/nanomsg,gdamore/mamomsg,wfxiang08/nanomsg,cosin2008/nanomsg.NET,krafczyk/nanomsg,ttyangf/nanomsg,reqshark/nanomsg,TTimo/nanomsg,JackDunaway/featherweight-nanomsg,simplestbest/nanomsg,nirs/nanomsg,zerotacg/nanomsg,kaostao/nanomsg,wfxiang08/nanomsg,pch957/nanomsg,krafczyk/nanomsg,TTimo/nanomsg,TTimo/nanomsg,wfxiang08/nanomsg,snikulov/nanomsg,kaostao/nanomsg,gdamore/mamomsg,tempbottle/nanomsg,wirebirdlabs/featherweight-nanomsg,reqshark/nanomsg,hyperfact/nanomsg,snikulov/nanomsg,JackDunaway/featherweight-nanomsg,smithed/nanomsg,modulexcite/nanomsg,kaostao/nanomsg,potatogim/nanomsg,simplestbest/nanomsg,featherweight/ftw-kernel-nanomsg,TTimo/nanomsg,imp/nanomsg,simplestbest/nanomsg,JackDunaway/featherweight-nanomsg,pch957/nanomsg,kaostao/nanomsg